Structure of PDB 1lbx Chain B Binding Site BS01

Receptor Information
>1lbx Chain B (length=252) Species: 2234 (Archaeoglobus fulgidus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MDERDALRISREIAGEVRKAIASMPLRERVKDVGMGKDGTPTKAADRVAE
DAALEILRKERVTVVTEESGVLGEGDVFVALDPLDGTFNATRGIPVYSVS
LCFSYSDKLKDAFFGYVYNLATGDEYYADSSGAYRNGERIEVSDAEELYC
NAIIYYPDRKFPFKRMRIFGSAATELCFFADGSFDCFLDIRPGKMLRIYD
AAAGVFIAEKAGGKVTELDGESLGNKKFDMQERLNIVAANEKLHPKLLEL
IK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1lbx Chain B Residue 590 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1lbx Crystal structure of a dual activity IMPase/FBPase (AF2372) from Archaeoglobus fulgidus. The story of a mobile loop.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		E367 D382 L384
Binding residue
(residue number reindexed from 1)		E67 D82 L84
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E367 D382 L384 D385 T387 D500
Catalytic site (residue number reindexed from 1) E67 D82 L84 D85 T87 D200
Enzyme Commision number 3.1.3.11: fructose-bisphosphatase.
3.1.3.25: inositol-phosphate phosphatase.
Gene Ontology
Molecular Function
GO:0008934 inositol monophosphate 1-phosphatase activity
GO:0016787 hydrolase activity
GO:0042132 fructose 1,6-bisphosphate 1-phosphatase activity
GO:0046872 metal ion binding
GO:0052832 inositol monophosphate 3-phosphatase activity
GO:0052833 inositol monophosphate 4-phosphatase activity
GO:0052834 inositol monophosphate phosphatase activity
Biological Process
GO:0006020 inositol metabolic process
GO:0007165 signal transduction
GO:0046854 phosphatidylinositol phosphate biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1lbx, PDBe:1lbx, PDBj:1lbx
PDBsum1lbx
PubMed11940584
UniProtO30298|BSUHB_ARCFU Fructose-1,6-bisphosphatase/inositol-1-monophosphatase (Gene Name=suhB)

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